2001 HW31
2001HW31, 1998 WB33, 1998WB33, 72840, J98W33B, K01H31W
All data for this body: [vot]
MPC data
| Name (number) |
2001 HW31 (72840) |
| a |
3.10176 |
| e |
0.07077 |
| i / sin(i) |
17.2194 /
0.29603
|
| q |
2.88224
|
| Q |
3.32128
|
| ω |
85.8405 |
| Node |
68.7151 |
| m |
108.9535 |
| n |
0.1804 |
| Epoch |
2460200.5 |
| nobs |
1804 |
| nopp |
20 |
| Years observed |
1998-2023 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
Ursula (375) |
|
| |
|
|
| ap |
3.104 |
|
| ep |
0.086 |
|
| sin(ip) |
0.282 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.810 |
|
| Mass |
|
|
| D |
10.47 |
0.124 |
| pV |
0.070 |
0.0108 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 375 |
Ursula |
631 |
Ursula |
|
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1036 |
0.0862 |
0.2818 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 10.47 |
0.124 |
0.124 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.070 |
0.0108 |
0.0108 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.81 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |